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8-8. Leakage/Clogging of Refrigerating Cycle Circuit<br />
List of Check Codes Generated upon Occurrence of Leakage/Clogging in Outdoor Cycle<br />
or Oil Circuit Part<br />
(MMY-MAP0804, 1004, 1204)<br />
Clogging<br />
Outdoor PMV1, 2<br />
Leakage<br />
Part<br />
Check valve in discharge pipe<br />
convergent section<br />
Note: “XX” represents sub-code<br />
Site of fault<br />
(see next page)<br />
A<br />
B<br />
Unit generating<br />
check code<br />
Corresponding unit<br />
Corresponding unit<br />
Detected fault and check code<br />
Activation of high-pressure protection<br />
Activation of low-pressure protection<br />
Discharge temp. error (TD1)<br />
Discharge temp. error (TD2)<br />
High-pressure protection error<br />
High-pressure SW system error<br />
P20<br />
H06<br />
P03<br />
P17<br />
P20<br />
P04-XX<br />
Symptom<br />
Rise of pressure<br />
Fall of pressure<br />
Rise of discharge temp.<br />
(compressor 1)<br />
Rise of discharge temp.<br />
(compressor 2)<br />
Abnormal rise of pressure<br />
Check valve in discharge pipe C Corresponding unit High-pressure SW system error P04-XX Abnormal rise of pressure<br />
Check valve in oil-equalization circuit<br />
Capillary<br />
Strainer<br />
D<br />
Corresponding unit<br />
Oil level detection circuit error<br />
Oil level low detection and protection<br />
H16-XX<br />
H07<br />
SV3A valve E Other connected unit Oil level low detection and protection H07 Oil level low<br />
SV3B valve F Corresponding unit Oil level low detection and protection H07 Oil level low<br />
SV3C valve G Other connected unit Oil level low detection and protection H07 Oil level low<br />
SV3D valve<br />
SV3D valve circuit capillary<br />
Strainer<br />
H<br />
Corresponding unit Oil level low detection and protection H07 Oil level low<br />
SV3E valve<br />
I<br />
Corresponding unit<br />
Oil level detection circuit error<br />
Oil level low detection and protection<br />
H16-05<br />
H07<br />
Oil circuit error or oil level low<br />
Oil circuit error<br />
Oil level low<br />
Oil level low<br />
Oil return distributor J Corresponding unit Oil level low detection and protection H07 Oil level low<br />
SV3C bypass capillary K Corresponding unit Oil level detection circuit error H16-04 Oil circuit error<br />
Outdoor PMV1, 2<br />
Part<br />
Check valve in discharge pipe<br />
convergent section<br />
Check valve in discharge pipe<br />
Site of fault<br />
(see next page)<br />
A<br />
B<br />
C<br />
Unit generating<br />
check code<br />
Corresponding unit<br />
Other connected unit<br />
Corresponding unit<br />
Corresponding unit<br />
Detected fault and check code<br />
Outdoor liquid backflow error<br />
Oil level low detection and protection<br />
Discharge temp. error (TD1)<br />
Discharge temp. error (TD2)<br />
Oil level low detection and protection<br />
Compressor breakdown<br />
Compressor error (lockup)<br />
Oil level low detection and protection<br />
Compressor breakdown<br />
Compressor error (lockup)<br />
P13<br />
H07<br />
P03<br />
P17<br />
H07<br />
H01-XX<br />
H02-XX<br />
H07<br />
H01-XX<br />
H02-XX<br />
Symptom<br />
Refrigerant entrapment<br />
Rise of discharge temp.<br />
(compressor 1)<br />
Rise of discharge temp.<br />
(compressor 2)<br />
Refrigerant entrapment<br />
Refrigerant entrapment<br />
Check valve in oil-equalization circuit<br />
Corresponding unit Oil level low detection and protection H07 Excessive amount of oil<br />
D<br />
(Leaking side)<br />
Insufficient amount of oil<br />
(Normal side)<br />
SV3A valve E Corresponding unit Oil level low detection and protection H07 Oil level low<br />
SV3C valve G Corresponding unit Oil level low detection and protection H07 Oil level low<br />
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